Rudbeckia laciniata 'Herbstsonne'

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coneflower 'Herbstsonne'

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coneflower 'Herbstsonne' visionspictures.com
coneflower 'Herbstsonne' visionspictures.com

Synonyms

Rudbeckia nitida 'Herbstsonne'
Rudbeckia 'Herbstsonne'
Rudbeckia 'Autumn Sun'
Rudbeckia Autumn Sun

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Herbaceous Perennial
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'Herbstsonne' is a robust herbaceous perennial to 2m in height, with branched stems bearing single flower-heads with golden-yellow rays and greenish-yellow disk

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk
Name Status
Accepted

How to Grow

Cultivation

Easy to grow if given full sun or partial shade and a moderately fertile soil that is moist but well-drained; a good choice for improved clay soils

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead faded flowers

Pests

Generally pest-free

Diseases

Generally disease-free